Autumn Equinox 2025 Meaning

Autumn Equinox 2025 Meaning. Also, either of the two points in the sky where the ecliptic (the sun’s annual pathway) and the celestial equator. During the autumnal equinox, the sun's rays shine directly on the equator.

At the summer solstice, we have the longest day and the shortest night of the year. The autumnal equinox, also known as the september equinox in the northern hemisphere, begins on the day when the sun appears to cross the.